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package org.glassfish.jersey.process;

import java.util.logging.Level;
import java.util.logging.Logger;

import org.glassfish.jersey.internal.LocalizationMessages;

/**
 * Uncaught exception handler that can be used by various Jersey request processing thread pools uncaught exceptions.
 *
 * @author Marek Potociar (marek.potociar at oracle.com)
 * @since 2.17
 */
public class JerseyProcessingUncaughtExceptionHandler implements Thread.UncaughtExceptionHandler {
    private static final Logger LOGGER = Logger.getLogger(JerseyProcessingUncaughtExceptionHandler.class.getName());

    private final Level logLevel;

    /**
     * Create new Jersey processing uncaught exception handler.
     * <p>
     * All uncaught exceptions will be logged using the {@link Level#WARNING WARNING} logging level.
     * </p>
     */
    public JerseyProcessingUncaughtExceptionHandler() {
        this(Level.WARNING);
    }

    /**
     * Create new Jersey processing uncaught exception handler.
     * <p>
     * All uncaught exceptions will be logged using the supplied logging level.
     * </p>
     *
     * @param logLevel custom logging level that should be used to log uncaught exceptions.
     */
    public JerseyProcessingUncaughtExceptionHandler(Level logLevel) {
        this.logLevel = logLevel;
    }

    @Override
    public void uncaughtException(Thread t, Throwable e) {
        LOGGER.log(logLevel, LocalizationMessages.UNHANDLED_EXCEPTION_DETECTED(t.getName()), e);
    }
}
